Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12967-020-02671-8/MediaObjects/12967_2020_2671_Fig1_HTML.png)
Comparison of the amount of total cfDNA in ng/µL from the 4 cfDNA isolation methods, measured by ddPCR (a) by QUBIT HS fluorometer (b) and by BIABooster (c)
Comparison of the amount of total cfDNA in ng/µL from the 4 cfDNA isolation methods, measured by ddPCR (a) by QUBIT HS fluorometer (b) and by BIABooster (c)